shut away vs lock up

shut away and lock up both are verbs.

Word	Noun	Adjective	Verb	Adverb
shut away	No	No	Yes	No
lock up	No	No	Yes	No

As verbs, shut away and lock up are synonyms defined as:

shut away and lock up: place in a place where something cannot be removed or someone cannot escape

Other synonyms of shut away include lock, lock away, lock in, put away, shut up.

shut away (verb)	lock up (verb)
place in a place where something cannot be removed or someone cannot escape	place in a place where something cannot be removed or someone cannot escape
	secure by locking